Drive for transmitting motion between a drive shaft and a pair o

Details Drive for transmitting motion between a drive shaft and a pair o Drive for transmitting motion between a drive shaft and a pair o

1988-01-22

1989-07-18

Wright, Dirk

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

180249, 74718, F16H 144

Patent

active

048481874

ABSTRACT:
A drive comprising a power dividing unit located between the drive shaft and the driven shafts and designed to transmit the torque on the drive shaft to each driven shaft in such a manner that the torques acting on each of the same fall within a given torque ratio and such as to control the driven shafts at speeds depending on the operating conditions of the members connected to the shafts themselves. The two driven shafts are interconnected directly by a hydraulic coupling substantially comprising a first rotary member connected to one of the driven shafts, a second rotary member connected to the other driven shaft, and a tank for a hydraulic fluid; each of the aforementioned rotary members being provided with fluid conveying device designed to circulate fluid centrifugally between the fluid conveying device of the other rotary member when the speed of one driven shaft differs from that of the other, so as to transmit, via the aforementioned hydraulic coupling, a torque increasing alongside an increase in the difference between the speeds of the driven shafts themselves.

REFERENCES:
patent: 3238813 (1966-03-01), Moan
patent: 3653279 (1972-04-01), Sebern
patent: 3869940 (1975-03-01), Webb et al.
patent: 3923113 (1975-12-01), Pagdin
patent: 3924489 (1975-12-01), Yasuda
patent: 4031780 (1977-06-01), Dolan et al.

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